S2K-3-413 S2000 Front Big Brake Kit

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Located at the end of these installation instructions is a How-To Guide for Brake Pad Replacement

These instructions were written on a 2005 S2000 with thicker front rotors. Install is similar

Trimming of brake dust shields is required to accommodate the caliper brake bracket. See Step 9

Provided brake pads are for spirited street use. For track use, different pads are required. See step 29 for recommendations

OE wheels will require the use of wheel spacers for proper clearance and operation

Some aftermarket wheels will require the use of wheel spacers for proper clearance and operation

Use our Wheel Fitment Guide to check caliper clearance for your wheels: https://store.27won.com/_27Won/27Won-1-P...

These instructions reference the separate sides of the vehicle as "Left Hand" & "Right Hand". Left Hand & Right Hand is always defined from the driver seat viewpoint

Brake fluid is corrosive to paint. Do not let brake fluid sit on painted surfaces for extended periods of time

Raise the vehicle and support with jackstands in the OE recommended locations and remove the front wheels/tires

The following instructions show the complete removal of OE components and installation of 27WON BBK for the right hand side. The left hand side is completed with the same steps

Brake Rotor, see red arrow

Brake Caliper, see orange arrow

Using 12mm socket on extension, remove the brake line bracket on the strut

Using 12mm socket on extension, remove the brake line bracket on the caliper

Disconnecting the brakeline will allow brake fluid to leak from the hard brakeline mounted to the chassis and the rubber brakeline on the caliper. Use a rag to catch drips

Using 12mm socket, disconnect the brake line from the caliper and let it drain into the drain pan

Using a 17mm socket, loosen the caliper bracket bolts holding the caliper to the knuckle

Remove the caliper from the knuckle

Remove the (2) Philips screws with an impact driver as shown

Remove the brake rotor from the hub

If the rotor won't come off, thread an M6x1.00 screw into the threaded holes of the rotor and it will be lifted from the hub

Caliper Brackets

Mounting holes to vehicle

Mounting holes to BBK Caliper

Short Socket Cap Bolts

Trimming of brake dust shields is required to accommodate the caliper brake bracket

Using Tin snips or cut off wheel, trim the brake dust shield as shown

We recommend applying some paint over the exposed metal to prevent corrosion

Orient the caliper brackets to the knuckle as shown

Apply Loctite to the (2) short cap bolts before installing

Insert the (2) short socket cap bolts from the backside

Using a 10mm Allen key socket and torque wrench, torque to 64-71 ft-lbs

The 27WON BBK has directional brake rotors - therefore it is critical that the correct rotor is installed on the correct side of the vehicle

The direction of the angled slots allows you to identify if the rotor is LH or RH

Left Hand Rotor (LH) - This rotor will go on the Left Hand side of the vehicle

For North American cars this is the driver side

Right Hand Rotor (RH) - This rotor will go on the Right Hand side of the vehicle

Rotors come with machine oil on them to resist corrosion - clean both rotors with brake cleaner spray and clean rag

Install the rotor by reusing the OEM Phillips screws in the chamfered holes on the rotor as shown

Right side rotor shown in image above. For US model cars this is the passenger side. Driver side similar

Inspect the dust shield to verify it’s not touching the rotor. If it is, bend it away slightly using a large screw driver or pry bar

27WON BBK has directional brake calipers - therefore it is critical that the correct caliper is installed on the correct side of the vehicle

Left Hand Caliper - This caliper will go on the Left Hand side of the vehicle

For North American cars this is the driver side

Right Hand Caliper - This caliper will go on the Right Hand side of the vehicle

Long Socket Cap Bolts

Included with the hardware is a pack of very thin washers. These are used as spacers for the rare case that the position of the caliper needs to be adjusted

Locate the provided stainless steel braided brakelines

Caliper side of brakeline w/blue dust cover

Chassis side of brakeline w/blue dust cover

Rubber Strut Mount Isolators

Locate the provided Banjo Bolts

Locate the provided 10mm Crush Washers

Add some thread locker to the provided caliper bolts

Ensure the bleeders are pointing up when installing your 27WON calipers as shown

Install the caliper to the caliper bracket using a 10mm Allen key and bolts provided

Torque the bolts to 64-71 ft-lbs

Using a line wrench, loosen the 10mm flare nut for the brake hardline

Use small vice grip pliers to remove the mounting clip holding the OEM brake line

Separate both sides of the brake line from each other

Take one of the provided brake lines and remove the blue plastic dust cover from the brakeline

Remove the large 19mm nut from the same brakeline

Route the brake line through the chassis mounting bracket as shown

Tighten the top nut with a 19mm wrench

Once the line is held by the top nut, secure the line with a 17mm wrench on the bottom nut

Tighten both nuts down

Install the OEM hardline into the 27WON brakeline as shown

Tighten with a 10mm line wrench line

Using the OEM 12mm bolts, install a provided brake line bracket onto the strut as shown. Torque down to 10-14 ft-lbs

Install brake line into the provided brake line bracket. Lubricate the grommet if needed

Line up the banjo bolt with the washers and brake line as shown

Install the front brake line into the front caliper using the supplied banjo bolt and (2) crush washers

Using a 14mm socket and torque wrench - torque to 8-12 ft-lbs

This completes the BBK installation for the right hand side of the vehicle. The left hand installation process is the same

Complete the left hand installation process starting on Step 4

Do not proceed until brake kit is installed on both sides

Top off your fluid in the reservoir using Honda recommended DOT 3 brake fluid

Ensure throughout the brake bleeding procedure that you monitor the brake fluid level and don’t let the reservoir become completely empty

This completes the installation of the physical BBK. It's now necessary to bleed the brakes and bed the brake pads. The following steps provide instruction for brake bleeding and brake pad bedding

Located at the end of the installation instructions is a How-To Guide for Brake Pad Changes

Both Left Hand and Right Hand BBK Systems must be installed completely before proceeding to the Brake Bleeding Procedure

Clean all brakeline connections at chassis and caliper with brake clean spray and clean rag

Tools - You will need a fresh container of DOT 3 Brake Fluid, bleeder bottle and hose as shown (the hose should fit tight on the bleeder screw), 10mm box-end wrench, and a friend to help with the process

For best results, always start with the bleed screw located the furthest away from the master cylinder and work your way closer. There are two bleed screws for each caliper. Follow the order below

First Bleed Screw - RH Outside

Second Bleed Screw - RH Inside

Third Bleed Screw - LH Outside

Last Bleed Screw - LH Inside

Remove the cap from the bleed screw as shown

Place the wrench over the bleed screw hex as shown

Put one end of the hose on the bleed screw as shown

Hang the bottle from a wheel studs or set it on the ground

Have yourself or your friend setup in the driver's seat so that they can press the brake pedal firmly

Have the other person setup at the brake caliper so they can open/close the bleed screw

To open/close the bleed screw - you only need to turn the wrench ~1/4 turn

Have the person in the driver's seat press the brake pedal 3-5 times until there is sufficient pedal pressure. Then, have them hold the brake pedal firmly as the bleed screw is loosened. The pedal will go to the floor while fluid and air will enter the bottle. Make sure your friend holds the pedal down as you retighten the bleed screw.

The brake pedal will go to the floor while fluid and air will be pushed through the open bleed screw

Continue holding the brake pedal down until the bleed screw is re-tightened/closed

Repeat the above procedure around 3-5 times per bleed screw, or until your are confident there is no air in the system Check that your brake fluid level is at “full” after each bleed screw.

After each bleed screw is completed, check that your brake fluid level is at “full”. Refill as needed

Move to the next bleed screw as listed in Step 24 until all four bleed screws have been completed

Once brake bleeding is complete, inspect all brakeline connections at chassis and caliper to verify there are no leaks

If the brakes are properly bleed the brake pedal should have distinct "feel" to it

Brake pedal should have minimal down travel before pressure/force is felt

Brake pedal should feel firm after a small amount of down travel - it should not feel "spongy" or loose pressure over a quick amount of time

If your brake pedal does not correlate with the above, then go through the brake bleeding procedure again

Brake pad bedding is an essential process to the life and durability of the brake pads and rotors - for optimal BBK performance please follow the steps below

Proper pad bedding slowly heats and cools the rotors & pads - do not hard brake during initial driving until after complete bedding procedure is complete

Find an open road and accelerate to 30mph - Brake evenly and smoothly at ~50% effort until the vehicle is almost stopped, then accelerate to 30mph again

Repeat above step 8-10 times

Find an open road and accelerate to 50mph - Brake evenly and smoothly at ~80% effort until the vehicle is almost stopped, then accelerate to 50mph again

Repeat above step 2-3 times

Allow ~15min for brakes to cool - You can now use the brakes for normal driving

All braking systems are a compromise of Performance, Dust, and Noise. These factors are all highly dependent on the brake pad material used

The 27WON BBK arrives to your door with a brake pad material we found to be a good compromise of the above three factors. The pad material is consider a "street sport" setup that will provide a low amount of dust, nearly zero noise (some noise if very cold), and good performance for most street driven applications

The 27WON BBK is designed around a very common pad size and shape. If desired you may seek out a brake pad compound that better suits your driving style and application

Brake Pad Options by Manufacturer - There are many more options available than shown

Hawk - HB110.654

Carbotech - CTCP2279

G-Loc - GPX6

This completes the installation & setup of your 27WON Performance Front Big Brake Kit

We hope you were impressed with your 27WON experience and love your new BBK for years to come. Email us at sales@27won.com or call us at 571-271-0271 with any questions or concerns

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Proceed to the next step for the How-To Guide for Brake Pad Replacement

These instructions were written on a Honda Civic. Steps for the 27WON BBK on a S2K are the same

Using a 5mm Allen wrench, remove the caliper bridge bolt

While loosening the bolt, push on the bridge spacer towards the rotor then remove the bolt

Remove bridge spacer and spring clip

Using a flathead screwdriver, push the brake pad away from the rotor as shown to provide clearance

Typically the brake pad backer plate has a small edge that can be pushed against

Locate the 90 degree pick tool for the next step

Using a 90deg pick tool, hook the pick on the backer plate of the brake pad then remove brake pad

Pull the top and bottom of the brake pad in even increments until the pad can be fully removed

With the brake pad removed you can now access the caliper pistons directly - you will need to fully press the pistons into the caliper to provide clearance for new brake pads

Sometimes while pressing one piston in, another piston will push out. If necessary, hold the other pistons in place while pressing a piston into the caliper

Install the new brake pad into the caliper as shown

Verify the brake pad material surface is towards the rotor face and the backer plate is towards the pistons

Repeat Step 31 & 32 for the remaining used brake pad

Re-install the brake pad spring clip and the caliper bridge spacer - hand thread the caliper bridge bolt and torque to 8-10 ft-lbs

Complete the Brake Pad Bedding Procedure in Step 28